He is a direct lender, not middleman broker fees. 

Right now, I’m seeing max LTVs closer to 80% on purchases, though before COVID, we sometimes went up to 85%.Also, keep an eye out for lenders who promise amazing terms but demand large commitment fees upfront.

You will not need to join CAR/NAR and I offer super high fee splits.  

The total cost for this monthly for me is $1.00 fee for online payment for Sevier County, TN and the .73 cent stamp for Blount County, TN.

When I pointed that out, they suggested I instead setup my credit card as a vendor, and enter each charge as a bill, which would then fix the assets and liabilities issue.  

Should it be a percentage of net profits, a fixed fee, or another structure?

You can put your license in referral at most brokerages and pay no fees and still be able to do referral business.

I would also give her x amount of days to move but let her know you will have to charge a prorated fee per day after that to move for occupying both units. 

I recommend getting a few quotes and choosing one that is right for your financing strategy. if you are trying to get fix and flip money there is a wide disparity in rates and charges.

one thing is your lending your money way under what private money should charge. unless your just doing your friends a favor..